{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "data breach", "arguments": ["number of data", "damage amount", "time", "place", "purpose", "attacker", "attack pattern", "victim"]}], "input": "A vulnerability in the mobile apps of major banks could have allowed attackers to steal customers ' credentials including usernames , passwords , and pin codes , according to researchers ."}
{"data breach": [{"number of data": "NAN", "damage amount": "NAN", "time": "NAN", "place": "NAN", "purpose": "NAN", "attacker": "attackers", "attack pattern": "NAN", "victim": "customers"}]}